Solar photo-thermal coupling utilization system suitable for methane dry reforming reaction and method thereof

Abstract

The invention discloses a solar photo-thermal coupling utilization system suitable for a methane dry reforming reaction, and belongs to the technical field of photo-thermal utilization of solar energy in methane dry reforming production of synthesis gas. The system is composed of a heliostat, a curved surface optical filter, a curved surface Fresnel transmission type condenser, a heat storage box, a coiled pipe, liquid metal, a heat preservation pipeline and a methane dry reforming reactor. Sunlight is converted into parallel light through the heliostat at the upper end of the system, and the parallel light enters a photo-thermal catalyst in the methane dry reforming reactor through glass; parallel light at the lower end is subjected to light condensation and heat collection through a curved-surface light filter and a curved-surface Fresnel transmission-type condenser to be supplied to liquid metal in the heat storage box, the liquid metal exchanges heat with mixed gas in a coiled pipe through the coiled pipe, and the preheated mixed gas leaves the heat storage box and then flows into the methane dry reforming reactor through the heat preservation pipeline; and under the action of the photo-thermal catalyst, synthesis gas is generated through reaction, so that photo-thermal coupling utilization of solar energy in the methane dry reforming reaction is realized.

Description

technical field [0001] The invention belongs to the technical field of photothermal utilization of solar energy in methane dry reforming to produce synthesis gas, and relates to a solar photothermal coupling utilization system and method suitable for methane dry reforming reaction. Background technique [0002] Since the industrial revolution, the large-scale use of fossil energy has greatly promoted the development of global social economy and industry. Carbon dioxide and methane account for about 74% and 16% of the greenhouse gases produced by industrial emissions and power sector emissions, respectively. Carbon emissions inevitably cause serious environmental and energy problems. Today, under the requirements of "carbon peak" and "carbon neutrality", relevant industrial fields have to reduce the source emissions of carbon dioxide and methane or collect and utilize the emitted carbon dioxide and methane as resources. [0003] At present, the dry reforming of methane to pr...

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Problems solved by technology

[0004] In order to overcome the shortcomings of the above-mentioned prior art, the object of the present invention is to provide a solar light-thermal coupling utilization system and method suitable for methane dry reforming reaction, so as to solve the energy consumption of thermal catalytic methane dry reforming reaction in the prior art The problem of high and low efficiency

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